A new type of superplasticizer polycarboxylate, also known as concrete reducer, is made up of polyoxyethylene macromonomer (unsaturated acid), polyoxyethylene monomer and sulfonic acids group monomer via radical polymerization. You can find the Polyc…
Superplasticizer used in concrete refers to the fact that after mixing, it can reduce the water demand of concrete under the condition of maintaining basically the same fluidity, thereby improving the strength and durability of concrete, or under the…
2021 is the year of accelerated development of energy storage. CATL and BYD, the two super-manufacturers of energy storage lithium batteries, will both achieve rapid growth in 2021. Especially in overseas markets, when energy and electricity prices a…
The emergency rescue department of Berlin, Germany, reported that the world's largest independent cylinder aquarium burst on the 16th local time and about 1 million liters of water mixed with debris poured onto the busy street. The report quoted the…
For billionaires, the new crown epidemic is like a 'gold rush'! The Deutsche Presse-Agentur said on the 17th that in 2022, the wealth held by the world's top ten richest people will jump from $700 billion to $1.5 trillion, an average dail…